Acura RL (1996-2004 year). Instruction — page 108

143-6

Driving Position Memory System (DPMS)

UNDER-
DASH
FUSE/
RELAY
BOX

PHOTO 75

YEL/BLK

FUSE 19

R/C
MIRROR
7.5A

See Power
Distribution,
page 10-7.

C402

PHOTO 77
VIEW 37

2

YEL/BLK

YEL/BLK

A

6

See Power
Distribution,
page 10-15.

B

Internal Switch Positions

UP

A

B

B

DOWN

B

A

A

LEFT

A

A

B

RIGHT

B

B

A

Mirror
direction
selected

Switch 1

Switch 2

Switch 3

See Ground
Distribution,
page 14-12.

G402

PHOTO 106

BLK

31

C445

PHOTO 110
VIEW 96

11

BLK

BLK

BLK

UNDER-
HOOD
FUSE/
RELAY
BOX

PHOTO 33

FUSE 56

BACK UP
RADIO
7.5A

7

WHT/YEL

9

BLK

12

BLK

LT GRN/RED

37

LT GRN/RED

1

BLK/WHT

C445

PHOTO 110
VIEW 97

24

BLK/WHT

A

7

From Steering Column Control Unit
on page 143-1.

WHT/

YEL

B

1

3

BLU/

GRN

A

8

A

6

7

9

YEL

1

Mirror
Selector
Switch

RIGHT

LEFT

4

BLU/

ORN

9

10

BLU

10

RIGHT

LEFT

B

A

Switch 3

POWER
MIRROR
SWITCH

VIEW 46

YEL/BLK

11

See Ground
Distribution,
page 14-11.

BLK

BLK

5

RED/WHT

5

B

A

Switch 2

B

A

Switch 1

See
Power
Mirror
Defoggers

C412

PHOTO 110
VIEW 96

18

See Power
Distribution,
page 10-7.

C456
(Terminals 7-10)

PHOTO 103
VIEW 81

YEL/BLK

NOTE: The power mirror
switch contains three switches
(designated 1, 2, and 3). The
three switches are not
mechanically connected, but
operate independently or
together depending on the
mirror direction selected
(up, down, left, right). Refer
to the table below for
internal switch positions
according to the mirrror
direction selected.

WHT/

YEL

Switch 2
input

Switch 3
input

Ignition
input

Battery
input

Battery
input

Ground

Ground

Communication line

Switch 1
input

WHT/

YEL

WHT/

YEL

’02-’04

C307

PHOTO 37
VIEW 47

40

C412

PHOTO 110
VIEW 96

42

38

37

41

BLU/

GRN

YEL

BLU/

ORN

BLU

RED/WHT

38

C445

PHOTO
110
VIEW 97

26

40

25

39

BLU/

GRN

YEL

BLU/

ORN

BLU

RED/WHT

YEL/BLK

27

G401

PHOTO 79

HOT IN ON

HOT AT ALL TIMES

BLK

BLK

2004 American Honda Motor Co., Inc.

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143-7

Driving Position Memory System (DPMS)

B

6

2

M

Up/
Down
Motor

Left/
Right
Motor

M

BLU

10

BLU

YEL

8

YEL

C748

PHOTO 140
VIEW 41

9

LEFT
POWER
MIRROR

10

11

BRN

4

M

Up/
Down
Motor

Left/
Right
Motor

M

BLU

10

YEL

C768

PHOTO 144
VIEW 43

8

C768

PHOTO 144
VIEW 43

9

RIGHT
POWER
MIRROR

12

3

BRN

BRN

BLU

YEL

BRN

6

C445

PHOTO 110
VIEW 97

12

9

22

39

14

B

POWER
MIRROR
CONTROL
UNIT

PHOTO 193
VIEW 105

1

C8

2

C8

4

Position
Sensor

5

TILT

SWING

BRN/WHT

14

16

7

C9

4

TILT

SWING

BRN/WHT

15

8

GRN

RED/BLK

BRN/WHT

BRN/WHT

1

C9

2

5

GRY

RED/BLK

GRY

RED/BLK

PUR

BLK

C768

PHOTO 144
VIEW 43

1

BLK

BLK

C748

PHOTO 140
VIEW 41

1

LEFT
POWER
MIRROR

RIGHT
POWER
MIRROR

13

23

34

GRY

RED/BLK

PUR

GRY

RED/BLK

GRN/WHT

BLK

BLU

YEL

BRN

BRN

BRN

BRN

Common

Up/down
motor
control

Left/right
motor
control

Common

Up/down
motor
control

Left/right
motor control

Common

Tilt sensor
input

Swing
sensor
input

Common

Tilt
sensor
input

Swing
sensor
input

Position
Sensor

BLU

YEL

BRN

BRN/WHT

C412

PHOTO 110
VIEW 96

35

BRN/WHT

C445

PHOTO 110
VIEW 97

35

GRY

RED/BLK

GRN/WHT

34

36

32

GRY

RED/BLK

PUR

C412

PHOTO 110
VIEW 96

C748

PHOTO 140
VIEW 41

GRY

RED/BLK

GRN/WHT

5

6

2

C445

PHOTO 110
VIEW 97

C412

PHOTO 110
VIEW 96

C748

PHOTO 140
VIEW 41

C768

PHOTO 144
VIEW 43

6

2

5

PUR

GRY

RED/BLK

’02-’04

2004 American Honda Motor Co., Inc.

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143-8

Driving Position Memory System (DPMS)

How the Circuit Works

The power mirrors, driver’s seat and steering
column have a memory feature. The two outside
mirror adjustments, the driver’s three seat
adjustments (back and forth, up and down, seat
back angle) and the two steering column
adjustments (extend and retract, and steering
column angle) can be regulated separately. All of
the adjustments can be memorized by pressing
the MEMO button on the driving position memory
switch, and then (within five seconds) pressing
one of the two position buttons. If you press that
same position button after the adjustments are
memorized, the seat and the steering column will
move to those memorized positions.

NOTE: Disconnecting the battery for more than 30
seconds will cancel the memorized positions.

The driving position memory system is controlled
by three separate control units. The steering
wheel position is controlled by the steering column
control unit, the driver’s seat position is controlled
by the power seat control unit, and the outside
mirror position is controlled by the power mirror
control unit. The driving position memory switch is
linked directly to the steering column control unit
which relays the position switch commands to the
power seat control unit and the power mirror
control unit.

Each power mirror has two Hall-effect type
sensors to detect the changes in voltage caused
by the movements of the mirror. The power mirror
control unit then stores the voltage changes for
that mirrors position in its memory.

Each power seat motor has a reed switch sensor
which sends a pulse to the power seat control unit
when the motor rotates. The power seat control
unit then stores the number of pulses for that seat
position in its memory.

The steering column control unit uses variable
resistor-type tilt sensors to detect the changes in
voltage caused by the movements of the steering
column. The steering column control unit then
stores the voltage changes for that column
position in its memory.

When you push one of the position buttons, the
driving position memory switch commands the
steering column control unit, power seat control
unit, and the power mirror control unit to retrieve
the corresponding steering wheel, power seat,
and outside mirror positions. This function is
disabled at speeds above 6 mph (10 km/h).

When you pull out the ignition key with the AUTO
switch ON and the car parked, the steering column
will automatically move to the highest tilt position
and fully retracted position to ease your exit from the
car.

Refer to the Service Manual (Section 23, Electrical)
for specific tests and troubleshooting procedures.

2004 American Honda Motor Co., Inc.

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145

Seat Belt Tension Reducer

See
Brake
Lights

UNDER-DASH
FUSE/RELAY
BOX

PHOTO 75

See Power
Distribution,
page 10-10.

FUSE 13

METER (’96-’98)
METER
SUN ROOF (’99-’04)
7.5A

BLU/RED

DRIVER’S
SEAT BELT
TENSION
REDUCER
SOLENOID

PHOTO 132

YEL

C651

PHOTO 75
VIEW 74

9

DRIVER’S
MULTIPLEX
CONTROL
UNIT

PHOTO 79
VIEW 114

Driver’s
seat belt
switch
input

C

13

C660

PHOTO 125

2

3

C660

PHOTO 125

1

BLK

BLK

BLU/RED

GAUGE
ASSEMBLY

PHOTO 71
(’96-’03)
PHOTO 212
VIEW 113

Seat belt
reminder
indicator
light

RED/BLU

B

21

RED/BLU

RED/BLU

UNDER-DASH
FUSE/RELAY
BOX

PHOTO 75

C504

PHOTO 83
VIEW 68

12

See Ground
Distribution,
page 14-16.

G651

PHOTO 133

DRIVER’S
SEAT BELT
TENSION
REDUCER
DIODE

PHOTO 133

2

1

DRIVER’S
SEAT BELT
SWITCH
Shown with seat
belt unbuckled.

BLU/RED

YEL

BLU/RED

RED/BLU

C664

PHOTO 132

2

YEL

BLK

C664

PHOTO 132

1

BLK

Driver’s

RED/BLU

SRS
UNIT

PHOTO 172
VIEW 75

A

10

7

GRN

11

C475

PHOTO 171
VIEW 122

8

GRN

RED/BLU

1

C414

PHOTO 83
VIEW 91

7

RED/BLU

BLU/RED

BLU/RED

YEL

BLU/RED

’99-’04

’99-’04

HOT IN ON OR START

2004 American Honda Motor Co., Inc.

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